Stens 615-108 Gasket and Diaphragm Kit Replaces: Zama gnd-28 Fits models: Stihl: FC75, FC85, FH75, FS300, FS350, FS75, FS80, FS80, FS85, HL75, HT70 and HT75 Zama: C1Q model carburetors Ethanol: not compatible with greater than 10% ethanol fuel